so apple sues samsung and says you can't make your smartphone. >> the expense is google is announcing it is trying to step back and get out of these wars because they have dozens of litigation pending all over the world and all they are doing is patents, not patent inventions and it's frustrating for the inventors. >> there is a business model in which you just cycle through and try to get a bunch of patents, like spending your pen, frequent. maybe that's a novel thing. you see it steadily shoots up and now it's become this growth industry. you can essentially blackmail people because you have a property claim and then they come out with something and you send them a letter saying we have a patent ongoing like this to minimize an image or breathing or some process that everybody is using. >> two problems here. one, you can box out your competition with a threat of this lawsuit but also you're making it very difficult for anybody else to invent something new. everybody's afraid. and that's no good for innovation. >> it's providing the opposite of incentive. if the idea is to secure in